IMMOBILISER SYSTEM, Diagnostic DTC:B279C

DTC Code	DTC Name
B279C	Theft Deterrent System Presence Detection

DESCRIPTION

If an ECM that is incompatible with the engine immobiliser system is installed, the ECM stores this DTC.

DTC Code	DTC Detection Condition	Trouble Area
B279C	An ECM that is incompatible with the engine immobiliser system is installed (1-trip detection logic*).	ECM

Vehicle Condition and Fail-safe Operation when Malfunction Detected
Vehicle Condition when Malfunction Detected	Fail-safe Operation when Malfunction Detected
Engine cannot be started	-

Related Data List and Active Test
DTC Code	Data List and Active Test
B279C	-

CAUTION / NOTICE / HINT

Note

When using the GTS with the engine switch off, connect the GTS to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the GTS and the vehicle begins. Then select Model Code "KEY REGIST" under manual mode and enter the following menus: Body Electrical / Entry&Start(CAN). While using the GTS, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the GTS and the vehicle.
Before replacing the ECM refer to Service Bulletin.
After repair, confirm that no DTCs are output by performing "DTC Output Confirmation Operation."

PROCEDURE